What is the next number in the series 7 11 19 35?

67 7 + 4 = 11

11 + 8 = 19

19 + 16 = 35

35 + 32 = 67 the numbers added to the original number are doubling each time. Double the number, then subtract 3. 7X2=14-3=11

11x2=22-3=19

19x2=38-3=35

35x2=70-3=67 same result, different process.